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In Reply to: RE: Ethernet Switch posted by zacster on December 16, 2020 at 18:16:09
It sounds like you are reducing everything to bits. Either they get there or they dont. Its more involved.
Why would anyone need to make a filter for an ethernet cable? Especially if bits are all that matter? What about timing??
Cut to razor sounding violins
Follow Ups:
In a large factory there are big motors and other sources of EMI. Those filters are to address that. A typical residence does not have extreme levels of EMI/RFI present and thus do not require those filters.All electrical signals are analog. An Ethernet data stream is essentially no different than am FM radio signal. Yes, noise can affect it. The waveform can be rounded off due to cable capacitance. There can be ringing due to impedance mismatches.
The manner in with the final desired data, this being an audio signal, is degraded is much different than pure analog audio transmission. High amounts of EMI/RFI can make bit transitions where they do not belong in the original data stream. The result of this is corrupted data. The audible result of that is clicks and pops.
As Ethernet is an asynchronous protocol, there is no specific timing parameter between packets provided the data is faster than the real time signal and is buffered in the receiving device. It is up to the DAC clock system to provide accurate timing for that data conversion. The Ethernet switch has no bearing on this function.
Edits: 12/19/20
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